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74AC299 • 74ACT299
AC Electrical Characteristics for ACT
Note 9: Voltage Range 5.0 is 5.0V ± 0.5V
AC Operating Requirements for ACT
Note 10: Voltage Range 5.0 is 5.0V ± 0.5V.
Capacitance
V
CC
T
A
= +25°CT
A
= −40°C to +85°C
Symbol Parameter (V)
C
L
= 50 pF C
L
= 50 pF
Units
(Note 9) Min Typ Max Min Max
f
MAX
Maximum Input Frequency 5.0 120 170 110 MHz
t
PLH
Propagation Delay
5.0 4.0 8.5 12.5 3.0 14.0 ns
CP to Q
0
or Q
7
(Shift Left or Right)
t
PHL
Propagation Delay
5.0 4.0 9.0 13.5 3.5 15.0 ns
CP to Q
0
or Q
7
(Shift Left or Right)
t
PLH
Propagation Delay
5.0 4.5 8.5 12.5 4.5 13.5 ns
CP to I/O
n
t
PHL
Propagation Delay
5.0 5.0 9.5 15.0 4.5 16.5 ns
CP to I/O
n
t
PHL
Propagation Delay
5.0 4.0 14.0 15.0 4.0 18.0 ns
MR
to Q
0
or Q
7
t
PHL
Propagation Delay
5.0 4.0 13.0 14.5 3.5 17.5 ns
MR
to I/O
n
t
PZH
Output Enable Time
5.0 2.5 8.0 12.0 1.5 13.0 ns
OE to I/O
n
t
PZL
Output Enable Time
5.0 2.0 8.0 12.0 1.5 13.5 ns
OE
to I/O
n
t
PHZ
Output Disable Time
5.0 2.0 8.5 12.5 2.0 13.5 ns
OE
to I/O
n
t
PLZ
Output Disable Time
5.0 2.5 8.0 11.5 2.0 12.5 ns
OE to I/O
n
V
CC
T
A
= +25°CT
A
= −40°C to +85°C
Symbol Parameter (V)
C
L
= 50 pF C
L
= 50 pF
Units
(Note 10) Typ Guaranteed Minimum
t
S
Setup Time, HIGH or LOW
5.0 2.0 5.0 5.5 ns
S
0
or S
1
to CP
t
H
Hold Time, HIGH or LOW
5.0 −2.0 1.0 1.0 ns
S
0
or S
1
to CP
t
S
Setup Time, HIGH or LOW
5.0 1.5 4.0 4.5 ns
I/O
n
to CP
t
H
Hold Time, HIGH or LOW
5.0 −1.0 1.0 1.0 ns
I/O
n
to CP
t
S
Setup Time, HIGH or LOW
5.0 1.5 4.5 5.0 ns
DS
0
or DS
7
to CP
t
H
Hold Time, HIGH or LOW
5.0 −1.0 1.0 1.0 ns
DS
0
or DS
7
to CP
t
W
CP Pulse Width
5.0 2.0 4.0 4.5 ns
HIGH or LOW
t
W
MR Pulse Width, LOW 5.0 2.0 3.5 3.5 ns
t
REC
Recovery Time, MR to CP 5.0 0 1.5 1.5 ns
Symbol Parameter Typ Units Conditions
C
IN
Input Capacitance 4.5 pF V
CC
= 5.0V
C
PD
Power Dissipation Capacitance 170 pF V
CC
= 5.5V
